Wednesday
Becoming sunny
High:
84°F
Partly sunny, then gradually becoming sunny, with a high near 84. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Fullerton, CA Weather - Tomorrow’s Forecast
Wednesday Night
Mostly clear
Overnight low:
58°F
Mostly clear, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.